Best Energy Companies in Saxony, Germany
The 48 best Energy companies in Saxony, Germany in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: ONTRAS.
Our analysis of 50 Energy companies
$12.6b in tracked funding; 76% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2024.
Ranked: Best Energy companies in Saxony
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | ONTRAS Operator of gas pipeline 57Partners top 30%Funding top 39%Growth top 39%News top 40% All 7 signals ▾Partnerstop 30% Fundingtop 39% Growthtop 39% Newstop 40% Markettop 46% Techbottom 47% Globalbottom 30% Partners: 4 contract events in 12 mo · Named contractor/client in 4 deals Funding: Raised $657M across 3 rounds · 3 rounds over 2 yrs (1.5/yr) rank vs industry peers · Fliar Intelligence Index 57/100 | $657M | 25 mo ago | Funding Raised | — | 2006 | DrupalApple iCloud MailMicrosoft 365+13 | — | — |
| 2 | European Energy Exchange Commodities exchange | $461K | 66 mo ago | Seed | Timothy Greenwo Executive Director | 2002 | TYPO3 CMSPHPChart.js+10 | — | 1 partnership · 1 expansion |
| 3 | Passerro Manufacturer of the Trafo Stick, a BDV sensor used for monitoring mineral insulating oil in transformers | $115K | 89 mo ago | Funding Raised | Miroslaw Wrobel Co-Founder & CEO | 2016 | — | 13 patents Transformer oil condition monitoring and breakdown voltage testing for high‑voltage equipment | — |
| 4 | SENEC Provider of solar energy solutions, storage systems, and related products | $110K | 120 mo ago | Acquired | — | 2009 | DrupalApple iCloud MailPHP+20 | — | — |
| 5 | ENSO Distributor of natural gas and electricity for residential and commercial purpose | $20K | 54 mo ago | Early Stage | — | 1990 | HCL Digital ExperienceTypeScriptJava+6 | — | — |
| 6 | DREWAG Provider of a community platform connecting sports enthusiasts | — | 27 mo ago | Funding Raised | — | — | HCL Digital ExperienceTypeScriptJava+7 | — | — |
| 7 | Geoenergie-Konzept Provider of geothermal planning, testing, monitoring, and contracting services | — | 43 mo ago | Acquired | Rudiger Grimm owner and managing director | 2007 | — | — | — |
| 8 | CORE Provider of heat exchangers services | — | 51 mo ago | Funding Raised | — | 1994 | WordPress Block EditorWordPressMySQL+28 | 13 patents Fire‑resistant layered composites and deformable cellular reinforcement structures for protective materials. | 2 launchs · 1 partnership |
Top 12 Energy companies in Saxony
#1
Funding Raised · Leipzig, Saxony · founded 2006 · 356 employees$656.9Mraised▾
Operator of gas pipeline
- Jul 2024Grant (prize money)$344.8M
- Jul 2024Grant (prize money)$142M
- Jul 2024Grant (prize money)$170M
#2
Seed · Leipzig, Saxony · founded 2002 · 742 employees$460.6Kraised▾
The European Energy Exchange (EEX) was formed post merger of the German power exchanges in Frankfurt and Leipzig. EEX currently trades contracts for Power, Coal and Emission Allowances as well as Freight and Agricultural Products. EEX is part of Deutsche Börse Group, that includes other exchanges such as EPEX SPOT, Powernext, Cleartrade Exchange, Gaspoint Nordic and Power Exchange Central Europe. The exchange covers the Power Derivatives market that includes Options and Futures trading of electricity in multiple countries such as Belgium, Netherlands, France, Germany, Italy, Greece, etc.
- Feb 2021Seed—
- Nov 2020Grant (prize money)$44.6K
- Jul 2016Grant (prize money)$416K
#3
Early Stage · Dresden, Saxony · founded 1990 · 3300 employees$20Kraised▾
Distributor of natural gas and electricity for residential and commercial purpose
#4
Funding Raised · Leipzig, Saxony · founded 2016$115Kraised▾
Passerro GmbH is a company that manufactures the Trafo Stick, a BDV sensor used to monitor mineral insulating oil in transformers. They specialize in providing engineering architecture services, structural and civil engineering, and aviation architecture.
- Feb 2019Grant (prize money)$56.9K
- Sep 2018Grant (prize money)$58.1K
#5
Acquired · Leipzig, Saxony · founded 2009 · 501 employees$110.2Kraised▾
Provider of solar energy solutions, storage systems, and related products. The company offers photovoltaic systems, energy storage, and electric vehicle charging stations. It also provides energy management solutions for residential use. The company’s products facilitate the use of self-generated solar power.
- Jul 2016Grant (prize money)$55.8K
- Jul 2016Series A—
- Mar 2016Grant (prize money)$54.4K
#6
Funding Raised · Dresden, Saxony · 1421 employees—raised▾
Provider of a community platform connecting sports enthusiasts. It facilitates connections between individuals and groups interested in various sports, including running, triathlon, golf, Pilates, and others. The platform allows communities to share information, organize events, and arrange travel. It offers resources and information on training techniques and events for different sports. The platform aims to foster a supportive environment for sports communities to connect and grow.
#7
Acquired · Freiberg, Saxony · founded 2007 · 10 employees—raised▾
Provider of geothermal planning, testing, monitoring, and contracting services. The company offers planning and design for efficient geothermal systems. Services include subsurface parameter measurement to improve planning accuracy. Monitoring services are available to identify configuration errors and optimization potential. The company also provides contracting services for decarbonizing properties and processes.
#8
Funding Raised · Reinsdorf, Saxony · founded 1994 · 37 employees—raised▾
Provider of heat exchangers services
#9
Seed · Dresden, Saxony · founded 2021 · 8 employees—raised▾
Designer & developer of solar PVT systems
- Apr 2022Seed—
#10
Funding Raised · Leipzig, Saxony · founded 2019 · 19 employees—raised▾
Provider of advisory related services intended to connect corporates and suppliers of renewable energy and to promote the energy transition. The company's services support developers or independent power producers to realize their renewable energy projects and also help buyers and sellers of renewable energy to connect more efficiently and to minimize the risks associated with these transactions, enabling organizations and corporations to reach their sustainability and climate goals by reducing scope 2 emissions, which significantly impact their carbon footprint.
- Jul 2021Grant (prize money)—
#11
Acquired · Leipzig, Saxony · founded 2017 · 2400 employees—raised▾
Provider of energy efficiency services
#12
Funding Raised · Chemnitz, Saxony · founded 2012—raised▾
Developer of geothermal energy projects
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Energy coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Grid Energy Storage is moving in Germany
A read on the academic research around Grid Energy Storage — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 1,774 Germany-affiliated papers.
- Karlsruhe Institute of Technology193
- Forschungszentrum Jülich120
- RWTH Aachen University110
- Helmholtz-Institute Ulm98
- Deutsches Zentrum für Luft- und Raumfahrt e. V.92
- Battery (electricity)10→100
- Electrolyte8→97
- Electrochemistry8→79
- Cathode6→64
- Renewable energy1→54
- Battery (electricity)10→181
- Renewable energy11→159
- Electrolyte2→97
- Electrochemistry7→87
- Thermal energy storage2→79
- Battery (electricity)8→70
- Renewable energy3→38
- Electrolyte2→35
- Electrochemistry1→26
- Anode2→23
Where energy storage is researched across Germany
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Who's filing energy storage patents in Germany
Germany energy storage patent filing is accelerating — 3,168 filings from 1,277 assignees (2016–2025), led by Robert Bosch, Siemens, Bayerische Motoren Werke; annual filings 223→391.
- Robert Bosch710
- Siemens633
- Bayerische Motoren Werke455
- AUDI214
- LI TEC Battery189
- Varta Microbattery168
- Daimler140
- Continental Automotive91
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.